How can the user determine which programs are available on a computer ? 

Direction: In the following question, out of the four alternatives, choose the one which can be substituted for the given sentence.

Four friends A, B, C, D are sitting in a coffee shop. A and B are sitting face to face. D is not sitting face to face. D is not sitting next of A but can see the facial expression of A clearly. B is talking to C who is sitting opposite to him who are sitting together? 

Directions: In each of the following questions, sentences are given with blanks to be filled in with appropriate words(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four and indicate your choice for the correct answer.

The climate is not conducive_____ good health. 

Lalji Tandon was appointed as the new Governor of

During the Sao Joao festivities, Goans present to each other. 

Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (e), No error.
Each participant are (a) / expected to be present (b)/ at least an hour (c) / before the competition. (d) / No error (e).